Job Description

Senior Site Reliability Engineer Needed

Fully remote (London once a month) - 6 months

£675 a day inside IR35

Role Overview:

We are seeking an experienced Senior Site Reliability Engineer (SRE) to join our team on a contract basis. The ideal candidate will have a strong background in financial services, particularly in Markets, Asset Management, or Transaction Services. You will play a key role in ensuring reliability, scalability, and efficiency across our systems, working closely with development, operations, and business teams to enhance service performance and automation.

Key Responsibilities:

Design, implement, and maintain scalable, reliable, and secure infrastructure to support business-critical applications.

Collaborate with development teams to enhance system observability, monitoring, and performance.

Drive DevOps best practices, including automation of deployment, CI/CD pipelines, and governance processes.

Work closely with business and operations teams to implement new ways of working aligned with Agile methodologies.

Ensure system reliability through incident response, capacity planning, and fault tolerance strategies.

Support Agile Software Development Lifecycle (SDLC) processes, including tooling, governance, and automation approaches.Required Experience & Skills:

Financial Services Expertise - Experience in Markets, Asset Management, or Transaction Services, with knowledge of major business platforms.

Agile SDLC - Strong understanding of Agile methodologies, including tooling, concepts, and hands-on experience working in Agile environments.

DevOps & Automation - Deep knowledge of DevOps principles, tools, and governance automation in the SDLC.

Business & Operational Collaboration - Experience working with business or operations teams to implement Agile ways of working, or prior experience as a Business Product Owner in an Agile setup.

Technical Expertise - Proficiency in:

Cloud platforms (AWS, Azure, or GCP)

Infrastructure as Code (Terraform, Ansible, or CloudFormation)

CI/CD tooling (Jenkins, GitHub Actions, GitLab CI/CD)

Monitoring and observability tools (Prometheus, Grafana, Datadog)

Scripting and automation (Python, Go, Bash)

Incident response and system resilience

GCS is acting as an Employment Business in relation to this vacancy